CVE-2021-0434

In onReceive of BluetoothPermissionRequest.java, there is a possible phishing attack allowing a...

7.3 HighFix available

In onReceive of BluetoothPermissionRequest.java, there is a possible phishing attack allowing a malicious Bluetooth device to acquire permissions based on insufficient information presented to the user in the consent dialog. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-167403112

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.19%Down 0.2 points since Dec 16, 2021

What each source reports

NVD Score used7.3

Record: CVE-2021-0434
CVSS 3.1: 7.3 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.9 MediumAV:L/AC:M/Au:N/C:C/I:C/A:C
Updated: 2026-11-02

CVE ListNo score

Record: CVE-2021-0434
Updated: 2026-11-02

EUVDEUVD-2021-3053No score

Record: EUVD-2021-3053
Updated: 2026-11-03

GitHub AdvisoriesGHSA-c8fq-442r-8x7h7.3

In onReceive of BluetoothPermissionRequest.java, there is a possible phishing attack allowing a...

Record: GHSA-c8fq-442r-8x7h
CVSS 3.1: 7.3 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-269
Updated: 2026-11-02

OSVASB-A-167403112No score

Record: ASB-A-167403112
Updated: 2026-11-10

Affected products

google android

Affected packages

Affected packages
Package	Affected	Fixed
`platform/packages/apps/Settings` Android	9:0 up to 9:2021-11-01, plus listed versions 9	9:2021-11-01
`platform/packages/apps/Settings` Android	10:0 up to 10:2021-11-01, plus listed versions 10	10:2021-11-01
`platform/packages/apps/Settings` Android	11:0 up to 11:2021-11-01, plus listed versions 11	11:2021-11-01

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-0434 is a high vulnerability (CVSS 7.3) in Google Android, published November 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. Fixed in platform/packages/apps/Settings 9:2021-11-01.